Constant volume flow

constant pressure flow

Isothermal flow

Isentropic flow

On their point of contact

At the centre of curvature

At the center of circle

At the pin joint

Its temperature increases but volume decreases

Its volume increases but temperature decreases

Both temperature and volume increases

Both temperature and volume decreases

0.5

0.66

0.84

0.95

5 times

10 times

15 times

20 times